Question about 1999 Ford F150 Regular Cab

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Signal my signal does not wok. Want flash!

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  • ronj2cool Aug 22, 2008

    how do i now if the relays click or ho wdo i make them click

  • ronj2cool Aug 22, 2008

    where is the flash relay located????

  • ronj2cool Aug 22, 2008

    i have a 99 f-150 tirtion xlt



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Did you check all Your fuses? if there fine check all over your relays to see if they make a click when the hazards are on!


Posted on Aug 22, 2008

  • Damien R
    Damien R Aug 22, 2008

    hey again

    For a Bosch relay (as most are) the coil is between pins 85 (negative) and 86 (positive). The switched contacts are usually 30 (positive and 87 (and 87a), negative. Put a multimeter (set on resistance) or a circuit containing a battery and light bulb across the switch contacts and put 12V across the coil contacts. If it's working, the resistance should go from open circuit to zero, or the light should come on. Be very careful not to short anything. If you're using your car battery as the 12V source, a short will cause a really big bang.

    hope this helps you....

    the easy way is to just check it with a battery by joining + to +
    and - to - and listening for a little click!!!




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The hazard back lights wont quit blinking when car is running even when i pull the fuse on a 2002 buick regal

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